rdfDB Query Language

rdfDB uses a high level SQLish query language. The data is modelled as a directed
labelled graph (RDF). Nodes in graph can be

Resources : Every Resource is identified by a URI (e.g., foo, http://dmoz.org/#Top).
Resources are written as URIs. The Resource whose URI is mailto:guha@guha.com is
referred to (in the query language) as mailto:guha@guha.com.